6309-Z-C4
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What 6309-Z-C4 means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
3 |
Diameter series | Diameter series 3 (medium): fixes OD and width for the bore (ISO 15) |
09 |
Bore | Bore code 09 × 5 = 45 mm |
Z |
Closure | Metal shield, one side |
C4 |
Internal clearance | C4: radial internal clearance greater than C3 |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6309-Z-C4 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 45 mm | 1.7717 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 100 mm | 3.937 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 25 mm | 0.9843 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Deep groove ball bearing | Stated by the designation | |
| Seals / shields | Metal shield, one side | Stated by the designation | |
| Internal clearance | C4 (greater than C3) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
6309-Z-C4 is a deep groove ball bearing, 45 mm bore × 100 mm OD × 25 mm wide (1.7717 × 3.937 × 0.9843 in). It has a metal shield on one side and C4 internal clearance.
The 6309-Z-C4 is a deep groove ball bearing with a 45mm bore diameter, 100mm outside diameter, and 25mm width. It features a single metal shield on one side and C4 internal clearance, which is greater than standard C3 clearance for applications requiring additional internal clearance due to thermal expansion or shaft deflection.
